wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

7th Science TN Ready Review

Total questions: 195

Worksheet time: 33mins

Name
Class
Date
1.

The amount of matter in an object is called ___________.

a)

Volume

b)

Density

c)

Mass

d)

Energy

2.

What is the smallest piece of matter?

a)

Atom

b)

Molecule

c)

Compound

d)

Density

3.

What is a substance that cannot be broken down into another substance?

a)

molecule

b)

compound

c)

mixture

d)

element

4.

What is a group of two or more atoms held together by a chemical bond?

a)

molecule

b)

mixture

c)

compound

d)

element

5.

What is a group of two or more different elements held together with a chemical bond?

a)

mixture

b)

atoms

c)

molecule

d)

compound

6.

What does the law of conservation of matter state?

a)

Matter can be made but not destroyed.

b)

Matter cannot be made but can be destroyed.

c)

Matter cannot be made or destroyed.

d)

Matter can always be destroyed.

7.

What state of matter has a definite shape and volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

8.

What state of matter has no shape or volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

9.

What state of matter has no shape but a definite volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

10.

If you want to change from a solid to a liquid to a gas, what must you add?

a)

water

b)

energy

c)

acid

d)

matter

11.

How do atoms in a gas move?

a)

They slide past each other.

b)

They move very quickly all over the place.

c)

They vibrate

d)

They are frozen in place.

12.

What state of matter is pictured?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

13.
A change where one or more new substances are created.
a)
Physical Change 
b)
Chemical Change 
14.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
15.

Silverware tarnishing is an example of a _____ change

a)

Physical

b)

Chemical

16.
When you break a cracker into pieces it is a...
a)
Chemical change
b)
Physical change
17.
A pure substance that cannot be broken down into other substances by chemical or physical means. 
a)
compound          
b)
atom
c)
mixture 
d)
element
18.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

19.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

20.

Air is:

a)

An element

b)

A compound

c)

A mixture

d)

None of these

21.
Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?
a)
The salad and fruit drink are both mixtures.
b)
The salad and the fruit drink are both solutions.
c)
The fruit drink is a mixture because the ingredients can't be separated.
d)
The salad is a solution because the ingredients can't be separated.
22.
A mixture that is uniform and well mixed is _____.
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
compoud
23.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
24.
The picture shown here is what type of mixture?
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
element
25.

A particle that moves around the nucleus of an atom is an _______.

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

26.

Particles in an atom that are neutral which means they have no charge are _____.

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

27.

The positive particles of an atom are called _____.

a)

electrons

b)

positrons

c)

neutrons

d)

protons

28.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
29.
Of the three subatomic particles, which is the smallest and the lightest?
a)
protons 
b)
neutrons
c)
electrons
d)
They are all equal.
30.

An atom has an atomic number of 15 and a mass number that rounds to 31. How many protons are there in the atom?

a)

15

b)

31

c)

16

d)

47

31.
An atom has 5 protons and 7 neutrons. What is the mass number of the atom?
a)
5
b)
7
c)
2
d)
12
32.
The atomic number is always the number of ...
a)
neutrons.
b)
electrons.
c)
ions.
d)
protons.
33.

If an atom's atomic number is 2 and has a mass of 4, how many neutrons does the atom have?

a)

2

b)

4

c)

6

d)

0

34.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

35.

Elements in a .................. have similar chemical properties.

a)

period

b)

group

c)

row

36.

Which group of the periodic table is composed of inert (not reactive) gases?

answer choices

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

37.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
38.
Which of the following are NOT found in animal cells
a)
chloroplasts and cytoplasm
b)
chloroplasts and cell wall
c)
cell wall and cell membrane
d)
mitochondria and nucleus
39.

Which of the following converts food into energy for the cell?

a)

vacuole

b)

mitochondria

c)

cytoplasm

d)

cell membrane

40.
What do vacuoles do? 
a)
They actually do not have an important role
b)
They protect the cell
c)
They are the brain of the cell
d)
storage area for cells; water storage in plants 
41.

Which organelle takes in "sun showers" and helps plants with the process or photosynthesis?

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Chloroplast

42.
If you were some bad guy trying to sneak into an animal cell, who would be there to stop you?
a)
nucleus
b)
mitochondria
c)
cell membrane
d)
cell wall
43.
Which of the following, found ONLY in plant cells, provides structure?
a)
cell wall
b)
chloroplast
c)
mitochondria
d)
vacuole
44.

What type of cell has a nucleus?

a)

eukaryotic

b)

prokaryotic

c)

neither

d)

both

45.

Prokaryotes do NOT have....

a)

membrane bound organelles

b)

DNA or RNA

c)

Cell membrane

d)

Life

46.

Bacteria are considered what?

a)

Eukaryotes

b)

Prokaryotes

47.
This is a picture of:
a)
Prokaryote
b)
Eukaryote
48.

Which do BOTH prokaryotes and eukaryotes contain?

a)

nucleus

b)

mitochondria

c)

ribosomes

d)

cell wall

49.

Which list of characteristics describes organisms classified as animals?

a)

Unicellular, prokaryotic, autotrophic

b)

Multicellular, eukaryotic, heterotrophic

c)

Unicellular, eukaryotic, heterotrophic

d)

Multicellular, eukaryotic, autotrophic

50.

What kingdom am I? When you think of eukaryotic, mostly multi-cellular decomposers, you should think of me!

a)

Plant

b)

Fungi

c)

Animal

d)

Protist

51.

In order to conduct photosynthesis, plant-like protists must contain a _______________.

a)

Chloroplast

b)

Mitochondria

c)

Nucleus

d)

None of the above

52.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
53.
A group of similar cells that come together to perform a specific function is a/an
a)
organ
b)
organism
c)
organ system
d)
tissue
54.
When a group of organs work together to perform a particular function they create a/an
a)
organ system
b)
organism
c)
tissue
d)
organ
55.
Anything that can perform life processes by itself is a/an
a)
cell
b)
organ
c)
organism
d)
organ system
56.
The smallest level of organization of life in an organism
a)
tissue
b)
cell
c)
organ
d)
organ system
57.

John received a microscope for his birthday and decided he would observe one of his mother’s plants. John tore a leaf from one of the plants and placed it under his microscope. The picture is what he observed:

a)

organ

b)

cell

c)

organisn

d)

tissue

58.

Which diagram represents the most complex level of organization?

a)
b)
c)
d)
59.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
60.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
61.
When particles move from areas of high concentration to areas less concentrated, this has taken place.
a)
diffusion
b)
mitosis
c)
endocytosis
d)
photosynthesis
62.
What process occurs when WATER diffuses across a membrane?
a)
endocytosis
b)
mitosis
c)
osmosis
d)
nuclear fission 
63.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
64.

Why are diffusion and osmosis important to cells?

a)

It allows them to take in materials/substances without using energy.

b)

It allows them to reproduce.

c)

It allows them to absorb sunlight.

d)

It allows cells to use all energy.

65.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of ___________.
a)
osmosis
b)
equilibrium
c)
diffusion
d)
hypertonic
66.

What does selectively-permeable mean?

a)

Allow certain things to enter and leave the cell

b)

Nothing gets through

c)

The cell lets only large substances through

67.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
68.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
69.

What is the function of a chloroplast?

a)

makes proteins for animal cells

b)

allows materials in and out of the cell

c)

provides structure and support

d)

absorbs sunlight for photosynthesis

70.

A large central vacuole is found in a _____ cell.

a)

animal

b)

plant

71.

Which type of transport uses protein channels to help the particles move across the cell membrane?

a)

endocytosis

b)

osmosis

c)

facilitated diffusion

d)

exocytosis

72.
 An animal cell placed in a hypertonic (salty) solution will
a)
Stay the same
b)
Shrink- get smaller
c)
Swell- get bigger
73.

In the given scenario, what will happen? An egg with a dissolved shell is placed in pure water for 48 hours.

a)

Water will move in and out of the cell equally, and the cell with neither shrink nor swell.

b)

The egg will gain water and swell.

c)

The egg will lose water and shrink.

74.
What do plants give off after photosynthesis?
a)
Oxygen
b)
carbon
c)
nitrogen
d)
hydrogen
75.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
76.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
77.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
78.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
79.

What is cellular respiration?

a)

the breakdown of glucose to release ATP

b)

the breakdown of glucose to release carbon

80.
Where does cellular respiration take place in the cell?
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Vacuole
81.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
82.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

6CO2 + 6H2O → 6O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O → O2

c)

6O2 +6H2O → 6CO2 +C6H12O6

d)

C6H12O6 + 6O2 → 6H2O + 6CO2

83.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
84.

Which of the following vocabulary words can be used to describe the grass in this food chain?

a)

heterotroph, primary consumer

b)

autotroph, producer

c)

decomposer, secondary consumer

d)

primary consumer, autotroph

85.

Which of the following vocabulary words can be used to describe the frog in this food chain?

a)

secondary consumer, heterotroph

b)

heterotroph, tertiary consumer

c)

autotroph, secondary consumer

d)

decomposer, heterotroph

86.

Fungi and bacteria would play which of these roles in a food web?

a)

producer

b)

heterotroph

c)

autotroph

d)

decomposer

87.

How much energy is passed on to the next trophic level in an energy pyramid?

a)

5%

b)

1%

c)

100%

d)

10%

88.

If the grass in this example had 10,000 Kcal of energy, about how much of that energy would be stored in trophic level 3?

a)

100 Kcal

b)

100,000 Kcal

c)

10 Kcal

d)

1,000 Kcal

89.

What does the arrow actually represent in a food web or food chain?

a)

Who is being eaten

b)

Who is eating

c)

The flow of energy

d)

the direction of food

90.

Why is it better to have more biodiversity in an ecosystem?

a)

because biodiversity can help make ecosystems more sustainable

b)

because biodiversity provides more energy

c)

because biodiversity provides less energy

d)

because it gives us more animals for the zoo

91.

Main purpose is to produce new body cells

a)

mitosis

b)

meiosis

c)

both

92.

Main purpose is to produce sex cells

a)

mitosis

b)

meiosis

c)

both

93.

Main purpose is to produce new body cells

a)

mitosis

b)

meiosis

c)

both

94.

Main purpose is to produce sex cells

a)

mitosis

b)

meiosis

c)

both

95.

One cell division

a)

mitosis

b)

meiosis

c)

both

96.

Two cell divisions

a)

mitosis

b)

meiosis

c)

both

97.

Produces two new cells

a)

mitosis

b)

meiosis

c)

both

98.

Produces four new cells

a)

mitosis

b)

meiosis

c)

both

99.

Produces identical copies of the parent

a)

mitosis

b)

meiosis

c)

both

100.

Produces cells with half the number of chromosomes as the parent cell

a)

mitosis

b)

meiosis

c)

both

101.

Daughter cells identical to parent cell

a)

mitosis

b)

meiosis

c)

both

102.

Daughter cells NOT identical to parent cell

a)

mitosis

b)

meiosis

c)

both

103.

Daughter cells identical to each other

a)

mitosis

b)

meiosis

c)

both

104.

Daughter cells are gametes

a)

mitosis

b)

meiosis

c)

both

105.

In humans, produces cells with 23 chromosomes

a)

mitosis

b)

meiosis

c)

both

106.

Involves cellular division

a)

mitosis

b)

meiosis

c)

both

107.

In humans, produces cells with 46 chromosomes

a)

mitosis

b)

meiosis

c)

both

108.

What phase am I?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

109.

What phase am I?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

110.

What phase am I?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

111.

What phase am I?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

112.

What phase am I?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

113.

what phase am I?

a)

Prophase 1

b)

Metaphase 1

c)

Anaphase 1

d)

Telophase 1

e)

Cytokinesis

114.

what phase am I?

a)

Prophase 1

b)

Metaphase 1

c)

Anaphase 1

d)

Telophase 1

e)

Cytokinesis

115.

what phase am I?

a)

Prophase 1

b)

Metaphase 1

c)

Anaphase 1

d)

Telophase 1

e)

Cytokinesis

116.

what phase am I?

a)

Prophase 1

b)

Metaphase 1

c)

Anaphase 1

d)

Telophase 1

e)

Cytokinesis

117.

what phase am I?

a)

Prophase 1

b)

Metaphase 1

c)

Anaphase 1

d)

Telophase 1

e)

Cytokinesis

118.

what phase am I?

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis

119.

what phase am I?

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis

120.

what phase am I?

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis

121.

what phase am I?

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis

122.

what phase am I?

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

e)

Cytokinesis

123.

When the cells completely split it is call what?

a)

Telophase

b)

Cytokinesis

c)

Anaphase

124.

Involves only one parent

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

125.

occurs when a second organism develops from an outgrowth of the original.

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

126.

A type of cell division where the cell divides into two copies

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

127.

a piece of an organism develops into a fully grown copy.

a)

vegetative propagation

b)

budding

c)

fragmentation

d)

binary fission

128.

Which results in offspring that are genetically unique and display a combination of traits from each parent?

a)

Sexual

b)

Asexual

c)

Neither

d)

Both

129.

Which type of reproduction results in offspring that are identical to the parent?

a)

Sexual

b)

Asexual

c)

Neither

d)

Both

130.

Which type of reproduction tends to be a longer process?

a)

Sexual

b)

Asexual

c)

They occur at the same rate

d)

Both are slow processes

131.

Which type of reproduction tends to produce more offspring?

a)

Sexual

b)

Asexual

c)

They occur at the same rate

132.

A tree branch breaking off and growing from the broken part is called

a)

Budding

b)

Fertilization

c)

Vegetative Propagation

133.

What is an advantage of asexual reproduction?

a)

it's fast- no need to look for a mate

b)

It uses a lot of energy.

c)

There are a lot of predators to face.

134.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
135.
Are all mutations bad?
a)
Yes
b)
No
136.
What pairs with Adenine (A)? 
a)
Guanine (G)
b)
Cytosine (C)
c)
Adenine (A)
d)
Thymine (T)
137.
What pairs with Thymine (T)?
a)
Adenine (A)
b)
Thymine (T)
c)
Guanine (G)
d)
Cytosine (C) 
138.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
139.
What do hurtful mutations do? 
a)
Decrease chances of survival 
b)
Increases changes of survival 
c)
Decreases likelihood of developing cancer
d)
Increases likelihood of developing cancer
140.
What do helpful mutations do? 
a)
Increases chances of survival 
b)
Decreases changes of survival 
c)
Increases chances of developing cancer
d)
Decreases skills
141.

Structural adaptation

a)

are physical features of an organism like the bill on a bird or the fur on a bear

b)

Mental adaptation, of the thinking of the animal

142.
Which of the following is a physical adaptation for the underlined animal?
a)
A butterfly has bright colors to warn predators that it is poisonous.
b)
A hognose snake rolls over, slows its breathing, and hangs its tongue out to play dead.
c)
A herd of buffalo encircle their young to protect them from a pack of wolves.
d)
A dung beetle rolls a piece of dung across the desert.
143.
EVOLUTION
a)
A trait that helps an organism survive and reproduce
b)
Competition where offspring compete for food and other resources in order to survive
c)
The gradual change of species over time
d)
Most species produce far more offspring than can possibly survive
144.
An inherited trait that helps those organisms that have it to survive
a)
niche
b)
structure
c)
characteristic
d)
adaptation
145.
NATURAL SELECTION
a)
Process by which individuals that are better adapted to their environment are more likely to survive and reproduce
b)
Scientists compare the DNA of living organisms to find similarities among the species to see how closely related they are
c)
Remains of an ancient organism or an imprint left behind by an organism
d)
Most species produce far more offspring than can possibly survive
146.
VARIATION
a)
The gradual change of species over time
b)
Differences in traits between members of the same species
c)
Organisms develop in similar ways in the womb
d)
Survival of the fittest
147.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
148.
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?
a)
0%
b)
25%
c)
50%
d)
75%
149.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
150.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 
a)
50 % Brown Hair and 50% Blond Hair 
b)
25 % Brown Hair and 75% Blond Hair 
c)
75 % Brown Hair and 25% Blond Hair 
d)
0% Brown Hair and 100% Blond Hair 
151.

If a heterozygous parent and a homozygous recessive parent mate, what percentage of their offspring will be dominant?

a)

25%

b)

50%

c)

75%

d)

100%

152.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
153.

Which of the following have you inherited completely from your parents? Choose the best answer.

a)

The shape of your blood cells

b)

Your intelligence

c)

Your personality

d)

Your weight

154.

What is heredity?

a)

The passing of traditions from parents to their children

b)

A type of asexual reproduction.

c)

The passing of traits from parents to offspring.

d)

Another term for sexual reproduction.

155.

If a brown-eyed mother and a blue-eyed father have four children, three will probably have brown eyes. What can you conclude from this?

a)

Brown eyes are a successful trait

b)

Brown eyes are a submissive trait

c)

Brown eyes are a recessive trait

d)

Brown eyes are a dominant trait

156.

A male heterozygous for widow’s peak marries a female without a widow’s peak.


Widow’s peak is a dominant trait (H) not having a widow’s peak is recessive (h).


Use the Punnett Square on Widow's Peal to answer the following question:


What percent of the children will have widow's peak?

a)

25%

b)

50%

c)

75%

d)

100%

157.

An organism’s physical appearance of visible traits is a _____________.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

158.

An organism’s genetic makeup is a _________________.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

159.

Has 2 of the same alleles is __________________.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

160.

Has 2 different alleles is _____________________.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

161.

Carries oxygen and nutrients to all parts of the body.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

162.

Allows movement in the body

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

163.

Protects the body, regulates body temperature

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

164.

Supplies blood with oxygen and rids the body of carbon dioxide

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

165.

Supports and provides structure for the body

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

166.

Receives stimuli and transports impulses, coordinates actions and reactions in the body

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

167.

Main Organs: Skin

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

168.

Main Organs: Heart and blood vessels

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

169.

Main Organs: Brains, spinal cord, nerves

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

170.

Main Organs: Bones and joints

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

171.

Main Organs: Lungs

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

172.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

173.

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

174.

a)

Integumentary

b)

Nervous

c)

Skeletal

d)

Muscular

175.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

176.

a)

Skeletal

b)

Muscular

c)

Circulatory

d)

Respiratory

177.

a)

Integumentary

b)

Nervous

c)

Circulatory

d)

Respiratory

178.
This gas makes up 21% of the atmosphere
a)
ozone
b)
oxygen
c)
nitrogen
d)
water vapor
179.
This gas makes up 78% of the atmosphere
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
180.

What is it called when a solid reaches a specific temperature and becomes a liquid

a)

Liquification

b)

Melting Point

c)

Boiling Point

d)

Charles's Law

181.

As pressure increases the boiling point of water increases.

a)

True

b)

False

182.

Trying to cook macaroni on the top of a mountain will take much longer than cooking macaroni at sea level. Why is this?

a)

The boiling point of water is much lower on the top of a mountain so the water does not get as hot.

b)

The boiling point of water is much higher on the top of a mountain so the water will be too hot to cook macaroni.

c)

Who cooks macaroni on a mountain? This question is pointless.

d)

The boiling point of water at sea level is is much lower on the top of a mountain so the water does not get as hot.

183.

When water falls from clouds in liquid or solid form

a)

precipitation

b)

condensation

c)

accumulation

d)

evaporation

184.

Water than flows downward on land

a)

runoff

b)

transpiration

c)

evaporation

d)

condensation

185.

water vapor given off by plants

a)

runoff

b)

transpiration

c)

evaporation

d)

condensation

186.

What word do we give to water when it is the form of a gas

a)

ice

b)

rain

c)

snow

d)

water vapor

187.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
188.
Which of the following add carbon dioxide to the atmosphere?
a)
volcanoes
b)
combustion of fossil fuels
c)
animal and plant respiration
d)
all of these
189.

Which process removes carbon dioxide from the atmosphere?

a)

deforestation

b)

tree farms

c)

burning fossil fuels

d)

cellular respiration

190.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
191.

Nitrogen fixation...

a)

animals eat the plants and other animals that contain nitrogen and release it through their waste

b)

Bacteria in the soil and lightning in the atmosphere “fix” the nitrogen

c)

Once in the ground, bacteria in the soil also nitrify the nitrogen

d)

plants absorb nitrogen through their roots and return it back to the atmosphere

192.

Organisms need nitrogen in order to...

a)

To breathe

b)

To obtain water for growth

c)

To build proteins & DNA

d)

To regulate temperature

193.
Plants and animals cannot use nitrogen directly from the air.
a)
True
b)
False
194.

Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?

a)

nitrogen fixation

b)

nitrification

c)

denitrification

d)

ammonification

195.

How do animals get the nitrogen they need?

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the sun

Similar Resources on Wayground

Quiz Belum Berjudul

194 questions

Quiz Belum Berjudul

quiz

Worksheet

•

7th Grade

NMMS QUIZ SAT -PONSRI SCHOOL

200 questions

NMMS QUIZ SAT -PONSRI SCHOOL

quiz

Worksheet

•

6th - 8th Grade

revision for g.7 q.1

193 questions

revision for g.7 q.1

quiz

Worksheet

•

7th Grade

Chem Reactions (atoms, elements, compounds and mixtures)

197 questions

Chem Reactions (atoms, elements, compounds and mixtures)

quiz

Worksheet

•

7th Grade

Revision June year 7

197 questions

Revision June year 7

quiz

Worksheet

•

7th Grade

Latihan Soal Desinta

200 questions

Latihan Soal Desinta

quiz

Worksheet

•

6th - 8th Grade

Revision of mixtures and solutions

191 questions

Revision of mixtures and solutions

quiz

Worksheet

•

7th Grade

lomba 3 ipas

200 questions

lomba 3 ipas

quiz

Worksheet

•

6th - 8th Grade